1.~Smartboard~

2.~Game~

http://www.quia.com/cm/23928.html?AP_rand=430898512

~Quiz~

http://www.phschool.com/webcodes10/index.cfm?fuseaction=home.gotoWebCode&wcprefix=ada&wcsuffix=0206

3.~Real-life Word Problem~

The United States population in 1998 was twice the population in 1943. The population in 1998 was 270 million. Find the 1943 population millions.

4. ~Another Source~ Youtube Video